Examlex
In a study on latent learning,Tolman demonstrated that rats who never received a food reward at the end of a maze nevertheless ran it faster and faster each day.
Additives
Substances added to something in small quantities to improve or preserve it, commonly used in context with food, fuel, or materials.
Matched Pairs
Matched pairs are a research design in which pairs of subjects are closely matched on key characteristics, with one subject in each pair receiving the treatment and the other serving as a control.
Population Variances
A measure of spread within a distribution or how much the members of the population differ from the population mean.
Pooled-variances T-test
A statistical method used to compare the means of two groups, assuming that the two populations have equal variances.
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